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Denkmeier Optical

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  1. Denkmeier - Filter Switch for Camera

    Denkmeier - Filter Switch for Camera

    Filter Switch for Camera T-Ring: Includes Filter Switch and Camera AdapterMove filters in or out of your camera's light path. Filters are fully protected. Load in your 2" or 1.25" filters ... Learn More
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    (48 States)
    Model#: FS-CAM
    $229.00

  2. Denkmeier - #S1 Silver Enhanced Power x Switch Star Diagonal - Regular

    Denkmeier - #S1 Silver Enhanced Power x Switch Star Diagonal - Regular

    2" Star Diagonal # S1Available with 97% Silver Enhanced coatings, includes a 1.25" adapter for 1 ... Learn More
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    (48 States)
    Model#: S1-97REG
    $389.00

  3. Denkmeier - #R1 Silver Enhanced Power x Switch Star Diagonal - Regular

    Denkmeier - #R1 Silver Enhanced Power x Switch Star Diagonal - Regular

    Diagonal #R1 For RefractorsAllows any Denkmeier Binoviewer to be loaded into the eyepiece receptacle for 3 magnifications with a single pair of eyepieces ... Learn More
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    (48 States)
    Model#: R1-97REG
    $499.00

  4. Denkmeier - #R2 Diekectric Power x Switch Star Diagonal - Regular

    Denkmeier - #R2 Diekectric Power x Switch Star Diagonal - Regular

    The Denkmeier 2" Power x Switch Diagonal #R2 for Refractors#R2 provides tremendous versatility allowing a binoviewer to move through up to 6 different magnifications with a low 1.26X power factor to a high power of 3

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    (48 States)
    Model#: R2-99REG
    $719.00

  5. Denkmeier - Denk Hi Def Dual Band Planetary Filters

    Denkmeier - Denk Hi Def Dual Band Planetary Filters

    Format: 1.25 inch Cell: 1 ... Learn More
    Model#: HD_PLANET
    $125.00

  6. Denkmeier Filter Switch Option added to Denk II Refractor, SCT, Newtonian Universal and Super System Power Switch Packages

    Denkmeier - Filter Switch Option added to Denk II Refractor, SCT, Newtonian Universal and Super System Power Switch Packages

    Just install your own 2" or 1.25" filters into The filter Switch Carriers for Filter Switching at your fingertips! Protects valuable filters too.

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    (48 States)
    Model#: FSO
    $249.00

  7. Denkmeier #150 Cell 1.25 " for Coronado BF Diagonal (CORONADO DIAGONAL SOLD SEPARATELY!!!!)

    Denkmeier - #150 Cell 1.25 " for Coronado BF Diagonal

    The #150 1.25" Cell For Coronado BF DiagonalsThis optical cell will allow a Denkmeier Binoviewer to reach focus in a refractor equipped with the Solarmax 40, 60 or 90mm filter systems

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    Model#: 150-Cell
    $119.00

  8. Denkmeier 97% Enhanced Filter Switch Star Diagonal

    Denkmeier - 97% Enhanced Filter Switch Star Diagonal

    The Denkmeier Filter Switch is an innovative accessory for both astronomy and photography that allows the user's 2" and 1.25” filters to be moved in and out of the light path while offering full protection from dew and dust.

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    (48 States)
    Model#: FSD-97
    $299.00

  9. Denkmeier - Spectrum 60 Upgrade for Coronado PST

    Denkmeier - Spectrum 60 Upgrade for Coronado PST

    The brand new Spectrum 60 Upgrade for your PST! Increases objective aperture by 50% for substantial gains in resolution ... Learn More
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    (48 States)
    Model#: S60-PST

    Regular Price: $699.00

    Special Price: $599.00

  10. Denkmeier #S2 Dielectric Power x Switch Star Diagonal Regular

    Denkmeier - #S2 Dielectric Power x Switch Star Diagonal - Regular

    Diagonal #S2 For SCTsAllows Binoviewers to be used in SCTs for instant normal, reduction and multiplication factors ... Learn More
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    (48 States)
    Model#: S2-99REG
    $509.00

  11. Denkmeier - #R1 Dielectric Power x Switch Star Diagonal - Shorty

    Denkmeier - #R1 Dielectric Power x Switch Star Diagonal - Shorty

    Diagonal #R1 For RefractorsAllows any Denkmeier Binoviewer to be loaded into the eyepiece receptacle for 3 magnifications with a single pair of eyepieces ... Learn More
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    (48 States)
    Model#: R1-99STY
    $619.00

  12. Denkmeier - Denk Hi Def OIII Nebula Filter 1.25 " format

    Denkmeier - Denk Hi Def OIII Nebula Filter 1.25 " format

    A Hi-Def OIII Filter brings out luxurious contrast in gaseous emission nebula. ... Learn More
    Model#: HD_OIII_125
    $99.00

  13. Denkmeier - D14 Eyepiece Pair

    Denkmeier - D14 Eyepiece Pair

    Specifications: Available Focal Lengths: 14mm 1 ... Learn More
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    (48 States)
    Model#: EPP-D14
    $629.00

  14. Denkmeier - #S1 Dielectric Power x Switch Star Diagonal - Regular

    Denkmeier - #S1 Dielectric Power x Switch Star Diagonal - Regular

    Diagonal #S1 - For SCTs Using Single EyepiecesDesigned specifically for single eyepiece use (non-binoviewer) in an SCT and allows focal reduction, normal and 2X magnifications instantly ... Learn More
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    (48 States)
    Model#: S1-99REG
    $509.00

  15. Denkmeier - Denk II Binoviewer with Case

    Denkmeier - Denk II Binoviewer with Case

    Denkmeier Denk II Binoviewer with case.

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    (48 States)
    Model#: D2-AC-C
    $938.00

  16. Denkmeier - Filter switch Option added to Denk II & Standard Super Systems

    Denkmeier - Filter switch Option added to Denk II & Standard Super Systems

    Filter Switch Retro-Fit for All Denkmeier Power Switch Star Diagonals (S1/S2/R1/R2) and William Optics Star Diagonals.Note: All Star Diagonals must be sent for retro-fitting ... Learn More
    Model#: FS-OPTION
    $189.00

  17. Denkmeier - #S2 Silver Enhanced Power x Switch Star Diagonal - Regular

    Denkmeier - #S2 Silver Enhanced Power x Switch Star Diagonal - Regular

    Diagonal #S2 For SCTsAllows Binoviewers to be used in SCTs for instant normal, reduction and multiplication factors ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: S2-97REG
    $389.00

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Denkmeier Optical, Inc. is a company co-owned by Russ Lederman and Spectrum Thin Films in Hauppauge NY. Russ Lederman is Inventor of The Power x Switch and Power Switch Star Diagonals. Let Denkmeier Optical be your source for the finest Binoviewers, Eyepieces, and Star Diagonals available anywhere. Whether your telescope is an SCT, Newtonian Reflector, Refractor, Maksutov Cassegrain, Dobsonian, Classical Cassegrain, RCX or other RC telescope brand, we have a binocular viewer for you! See our FAQ section for answers to common questions.


You may now see copies  of our products with similar sounding names elsewhere, but do not be tricked or misled : This is The Only Home Of Denkmeiwer Optical. Each and every Denk undergoes personal hands-on quality control procedures by Denk's owners throughout the production process in a state for the art facility here in the USA.